Home / 449,030.12-619,658.50-247,826.12

Finding the Fourth Proportional to 449,030.12, 619,658.50 and 247,826.12

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Solution

The fourth proportional to 449,030.12, 619,658.50 and 247,826.12 is: 341,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,030.12 : 619,658.50 = 247,826.12 : x
  2. Step 2: Convert to fraction form
    449,030.12/619,658.50 = 247,826.12/x
  3. Step 3: Cross multiply
    449,030.12x = 619,658.50 × 247,826.12
  4. Step 4: Simplify right side
    449,030.12x = 153,567,561,780.02
  5. Step 5: Solve for x
    x = 153,567,561,780.02/449,030.12
  6. Step 6: Final answer
    x = 341,998.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.